Why SpaceX has to wait until Saturday for its next try to launch astronauts for NASA

[Admin]

If you're frustrated that you now have to wait until Saturday (May 30) to see SpaceX's first crewed launch, you can blame Mother Nature and orbital mechanics.

Why SpaceX has to wait until Saturday for its next try to launch astronauts for NASA : Read more

 

[Jasper]

I see no explanation why launch today (for example) is/wasn’t an option.
Falcon is more than powerful enough to add some corrections to get it in an optimal orbit.
Some rockets even have a 30 minute launch window to the space station.
Or is it that reuse takes too much power?